CN108220717A - High zinc aluminium alloy product - Google Patents
High zinc aluminium alloy product Download PDFInfo
- Publication number
- CN108220717A CN108220717A CN201711392451.4A CN201711392451A CN108220717A CN 108220717 A CN108220717 A CN 108220717A CN 201711392451 A CN201711392451 A CN 201711392451A CN 108220717 A CN108220717 A CN 108220717A
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- Prior art keywords
- aluminum alloy
- article
- alloy bar
- zinc
- detailed
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- 229910045601 alloy Inorganic materials 0.000 title description 20
- 239000000956 alloy Substances 0.000 title description 20
- 229910000611 Zinc aluminium Inorganic materials 0.000 title description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 312
- 239000011701 zinc Substances 0.000 claims abstract description 220
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 213
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 208
- 239000011777 magnesium Substances 0.000 claims description 66
- 229910052749 magnesium Inorganic materials 0.000 claims description 65
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 61
- 239000010949 copper Substances 0.000 claims description 59
- 229910052802 copper Inorganic materials 0.000 claims description 58
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 54
- 229910052751 metal Inorganic materials 0.000 description 30
- 239000002184 metal Substances 0.000 description 30
- 229910052782 aluminium Inorganic materials 0.000 description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 19
- 238000005266 casting Methods 0.000 description 19
- 239000004411 aluminium Substances 0.000 description 15
- 229910052804 chromium Inorganic materials 0.000 description 14
- 239000011651 chromium Substances 0.000 description 14
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 13
- 210000001787 dendrite Anatomy 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 238000005204 segregation Methods 0.000 description 12
- 238000007711 solidification Methods 0.000 description 9
- 230000008023 solidification Effects 0.000 description 9
- 229910052726 zirconium Inorganic materials 0.000 description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 8
- 229910052737 gold Inorganic materials 0.000 description 8
- 239000010931 gold Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000013078 crystal Substances 0.000 description 7
- 238000009749 continuous casting Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 238000004453 electron probe microanalysis Methods 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 229920005479 Lucite® Polymers 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 238000004445 quantitative analysis Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B22D11/003—Aluminium alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
- B22D21/002—Castings of light metals
- B22D21/007—Castings of light metals with low melting point, e.g. Al 659 degrees C, Mg 650 degrees C
Abstract
The present invention is the cast article in aluminum alloy bar form in one embodiment.The aluminum alloy bar includes 4wt.% to 28wt.% zinc；And variation of the weight percent of the zinc between the surface of the aluminum alloy bar and mid-depth is 15% or smaller.
Description
Related application
This application claims U.S. Provisional Application No. U.S.S.N.62/437, the priority of No. 489, the names of the provisional application
Referred to as " high zinc aluminium alloy product ", on December 21st, 2016 submit, and combine in entirety by reference herein for all
Purpose.
Technical field
The present invention relates to cast aluminium alloy product and by its derivative product.
Background technology
Cast aluminium alloy gold is known to form cast aluminium alloy product.
Invention content
In one or more embodiments detailed in this article, the present invention is the cast article for including aluminum alloy bar；Wherein institute
Aluminum alloy bar is stated to include：4wt.% to 28wt.% zinc；And wherein zinc weight percent is in the surface of the aluminum alloy bar and thickness
Variation between center is 15% or smaller.
In one or more embodiments detailed in this article, the aluminum alloy bar includes 6wt.% to 28wt.% zinc.At this
In one or more embodiments that text is described in detail, the aluminum alloy bar includes 8wt.% to 28wt.% zinc.At one detailed in this article
Or in multiple embodiments, the aluminum alloy bar includes 10wt.% to 28wt.% zinc.In one or more implementations detailed in this article
In example, the aluminum alloy bar includes 4wt.% to 15wt.% zinc.In one or more embodiments detailed in this article, the aluminium
Alloy bar includes 6wt.% to 12wt.% zinc.In one or more embodiments detailed in this article, the aluminum alloy bar includes
4wt.% to 10wt.% zinc.In one or more embodiments detailed in this article, the aluminum alloy bar is arrived comprising 4wt.%
8wt.% zinc.
In one or more embodiments detailed in this article, zinc weight percent is in the surface of the aluminum alloy bar and thickness
Variation between center is 12% or smaller.
In one or more embodiments detailed in this article, the present invention is the cast article for including aluminum alloy bar；Wherein institute
Aluminum alloy bar is stated to include：(i) 4wt.% to 28wt.% zinc；(ii) 1wt.% to 3wt.% copper；And (iii) 1wt.% is arrived
3wt.% magnesium；And wherein variation of the zinc weight percent between the surface of the aluminum alloy bar and mid-depth is 15% or more
It is small.
In one or more embodiments detailed in this article, the aluminum alloy bar includes 4wt.% to 15wt.% zinc.At this
In one or more embodiments that text is described in detail, the aluminum alloy bar includes 4wt.% to 12wt.% zinc.At one detailed in this article
Or in multiple embodiments, the aluminum alloy bar includes 4wt.% to 10wt.% zinc.
In one or more embodiments detailed in this article, the aluminum alloy bar includes 1wt.% to 2.5wt.% copper.
In one or more embodiment detailed in this article, the aluminum alloy bar includes 1wt.% to 2.0wt.% copper.Detailed in this article
In one or more embodiments, the aluminum alloy bar includes 1wt.% to 1.5wt.% copper.
In one or more embodiments detailed in this article, the aluminum alloy bar includes 1wt.% to 2.5wt.% magnesium.
In one or more embodiment detailed in this article, the aluminum alloy bar includes 1wt.% to 2.0wt.% magnesium.Detailed in this article
In one or more embodiments, the aluminum alloy bar includes 1wt.% to 1.5wt.% magnesium.
In one or more embodiments detailed in this article, cast article includes aluminum alloy bar；Wherein described aluminum alloy bar
Comprising：4wt.% to 28wt.% zinc and 1wt.% to 3wt.% copper.In one or more embodiments detailed in this article, zinc weight
It is 15% or smaller to measure variation of the percentage between the surface of the aluminum alloy bar and mid-depth.
Description of the drawings
Fig. 1 is the schematic diagram for the non-limiting method for manufacturing cast article；
Fig. 2 is the amplification cross-sectional view of the delivery of molten metal mouth and roller shown in Fig. 1；
Fig. 3 is depicted from the surface of cast article to the variation of the zinc weight percent of 3,000 micron thickness depth；
Fig. 4 is depicted from the surface of cast article to the variation of the zinc weight percent of 3,000 micron thickness depth；
Fig. 5 is depicted from the surface of cast article to the variation of the zinc weight percent of 3,000 micron thickness depth；
Fig. 6 is depicted from the surface of cast article to the variation of the zinc weight percent of 3,000 micron thickness depth；
Fig. 7 is depicted from the surface of cast article to the variation of the zinc weight percent of 3,000 micron thickness depth；
Fig. 8 is depicted from the surface of cast article to the variation of the zinc weight percent of 3,000 micron thickness depth；
Fig. 9 is depicted from the surface of cast article to the variation of the zinc weight percent of 3,000 micron thickness depth；
Figure 10 is depicted from the surface of cast article to the variation of the zinc weight percent of 3,000 micron thickness depth；
Figure 11 depicts the zinc weight percent of the entire depth as the prior art ingot casting obtained by direct-chill casting
Variation；
Figure 12 depicts the zinc weight percent variation of the entire depth of prior art cast product；
Figure 13 depicts the transcrystalling from the surface of cast article according to embodiments of the present invention to 200 micron thickness depth
Zinc, magnesium and weight of copper percentage.
Figure 14 depicts zinc, magnesium and the copper of the transcrystalling of the whole thickness depth of the direct-chill casting product of the prior art
Weight percent；
Figure 15 depicts the structure of cast article according to embodiments of the present invention；
Figure 16 depicts the structure of cast article according to embodiments of the present invention；And
Figure 17 depicts the structure of cast article according to embodiments of the present invention.
Attached drawing form the part of this specification and including the present invention illustrative embodiment and illustrate its multiple target and
Feature.In addition, the drawings are not necessarily drawn to scale, certain features can amplify the details to describe specific components.In addition, in figure
Shown any measured value, specification and its similar aspect wish to have it is illustrative, and not restrictive.Therefore, it is disclosed herein
Specific structure and function details should not be construed as being restrictive, and be used to teach fields as just a representative basis
Technical staff in different ways using the present invention.
The present invention will be referred to further attached drawing and explain, wherein in several views, similar elements symbolic indication phase
Same structure.It draws and is not drawn necessarily to scale, illustrate in the principle of the present invention on the contrary, emphasis is generally placed upon.In addition, certain spies
Point can amplify the details to depict specific components.
Specific embodiment
In those benefits and improvement having disclosed, according to being described below, it will significantly be apparent from the present invention's with reference to attached drawing
Other targets and advantage.There is disclosed herein the specific embodiments of the present invention；It is to be appreciated, however, that the disclosed embodiments are only
Illustrate that the present invention can be implemented in a variety of forms.In addition, each example, which combines, is intended to the illustrative and not limiting various implementations of the present invention
Example provides.
In specification and claims in the whole text, unless the context clearly determines otherwise, otherwise following term takes this
Civilized really relevant meaning.As used herein, the phrase " in one embodiment " and phase is not necessarily referred to " in some embodiments "
Same embodiment (although they can be).In addition, as used herein, phrase " in another embodiment " and " other at some
In embodiment " not necessarily refer to different embodiments (although they can be).Therefore, as described below, easily this can be sent out
Bright various embodiments combination, is made without departing from the scope of the present invention or spiritual.
In addition, unless context is in addition clearly stipulate that otherwise as used herein, term "or" is a kind of inclusive "or"
Operator, and it is equivalent to term "and/or".Unless context is not in addition clearly stipulate that otherwise term "based" has exclusiveness
And allow based on the other factors not described.In addition, in specification in the whole text, " one (a) ", " one (an) " and " (the) "
Meaning include multiple referring to object." ... in " meaning include " ... in " and " ... on ".
As used herein, term " at least one of A, B or C " and its similar terms refer to " only A ", " only B ", " only C ",
Or " any combinations of A, B and C ".
In one or more embodiments detailed in this article, the present invention is the cast article for including aluminum alloy bar；Wherein institute
Aluminum alloy bar is stated to include：4wt.% to 28wt.% zinc；And wherein zinc weight percent is in the surface of the aluminum alloy bar and thickness
Variation between center is 15% or smaller.
In one or more embodiments detailed in this article, the aluminum alloy bar includes 6wt.% to 28wt.% zinc.At this
In one or more embodiments that text is described in detail, the aluminum alloy bar includes 8wt.% to 28wt.% zinc.At one detailed in this article
Or in multiple embodiments, the aluminum alloy bar includes 10wt.% to 28wt.% zinc.In one or more implementations detailed in this article
In example, the aluminum alloy bar includes 4wt.% to 15wt.% zinc.In one or more embodiments detailed in this article, the aluminium
Alloy bar includes 6wt.% to 12wt.% zinc.In one or more embodiments detailed in this article, the aluminum alloy bar includes
4wt.% to 10wt.% zinc.In one or more embodiments detailed in this article, the aluminum alloy bar is arrived comprising 4wt.%
8wt.% zinc.
In one or more embodiments detailed in this article, zinc weight percent is in the surface of the aluminum alloy bar and thickness
Variation between center is 12% or smaller.
In one or more embodiments detailed in this article, the present invention is the cast article for including aluminum alloy bar；Wherein institute
Aluminum alloy bar is stated to include：(i) 4wt.% to 28wt.% zinc；(ii) 1wt.% to 3wt.% copper；(iii) 1wt.% to 3wt.%
Magnesium；And wherein variation of the zinc weight percent between the surface of the aluminum alloy bar and mid-depth is 15% or smaller.
In one or more embodiments detailed in this article, the aluminum alloy bar includes 4wt.% to 15wt.% zinc.At this
In one or more embodiments that text is described in detail, the aluminum alloy bar includes 4wt.% to 12wt.% zinc.At one detailed in this article
Or in multiple embodiments, the aluminum alloy bar includes 4wt.% to 10wt.% zinc.
In one or more embodiments detailed in this article, the aluminum alloy bar includes 1wt.% to 2.5wt.% copper.
In one or more embodiment detailed in this article, the aluminum alloy bar includes 1wt.% to 2.0wt.% copper.Detailed in this article
In one or more embodiments, the aluminum alloy bar includes 1wt.% to 1.5wt.% copper.
In one or more embodiments detailed in this article, the aluminum alloy bar includes 1wt.% to 2.5wt.% magnesium.
In one or more embodiment detailed in this article, the aluminum alloy bar includes 1wt.% to 2.0wt.% magnesium.Detailed in this article
In one or more embodiments, the aluminum alloy bar includes 1wt.% to 1.5wt.% magnesium.
In one or more embodiments detailed in this article, cast article includes aluminum alloy bar；Wherein described aluminum alloy bar
Comprising：4wt.% to 28wt.% zinc and 1wt.% to 3wt.% copper.In one or more embodiments detailed in this article, zinc weight
It is 15% or smaller to measure variation of the percentage between the surface of the aluminum alloy bar and mid-depth.
In one or more embodiments detailed in this article, the present invention is the cast article for including aluminum alloy bar；Wherein institute
Aluminum alloy bar is stated to include：4wt.% to 25wt.% zinc；And wherein zinc weight percent is micro- on the surface of aluminum alloy bar and 3,000
Variation between rice thickness depth is 15% or smaller.
In one or more embodiments detailed in this article, the aluminum alloy bar includes 6wt.% to 25wt.% zinc.At this
In one or more embodiments that text is described in detail, the aluminum alloy bar includes 8wt.% to 25wt.% zinc.At one detailed in this article
Or in multiple embodiments, the aluminum alloy bar includes 10wt.% to 25wt.% zinc.In one or more implementations detailed in this article
In example, the aluminum alloy bar includes 4wt.% to 15wt.% zinc.In one or more embodiments detailed in this article, the aluminium
Alloy bar includes 4wt.% to 12wt.% zinc.In one or more embodiments detailed in this article, the aluminum alloy bar includes
4wt.% to 10wt.% zinc.In one or more embodiments detailed in this article, the aluminum alloy bar is arrived comprising 4wt.%
8wt.% zinc.
In one or more embodiments detailed in this article, zinc weight percent is micro- on the surface of aluminum alloy bar and 3,000
Variation between rice thickness depth is 12% or smaller.
In one or more embodiments detailed in this article, the present invention is the cast article for including aluminum alloy bar；Wherein institute
Aluminum alloy bar is stated to include：(i) 4wt.% to 25wt.% zinc；(ii) 1wt.% to 3wt.% copper；(iii) 1wt.% to 3wt.%
Magnesium；And wherein variation of the zinc weight percent between the surface of aluminum alloy bar and 3,000 micron thickness depth is 15% or more
It is small.
In one or more embodiments detailed in this article, the aluminum alloy bar includes 4wt.% to 15wt.% zinc.At this
In one or more embodiments that text is described in detail, the aluminum alloy bar includes 4wt.% to 12wt.% zinc.At one detailed in this article
Or in multiple embodiments, the aluminum alloy bar includes 4wt.% to 10wt.% zinc.
In one or more embodiments detailed in this article, the aluminum alloy bar includes 1wt.% to 2.5wt.% copper.
In one or more embodiment detailed in this article, the aluminum alloy bar includes 1wt.% to 2.0wt..% copper.Detailed in this article
In one or more embodiments, the aluminum alloy bar includes 1wt.% to 1.5wt.% copper.
In one or more embodiments detailed in this article, the aluminum alloy bar includes 1wt.% to 2.5wt.% magnesium.
In one or more embodiment detailed in this article, the aluminum alloy bar includes 1wt.% to 2.0wt..% magnesium.Detailed in this article
In one or more embodiments, the aluminum alloy bar includes 1wt.% to 1.5wt.% magnesium.
As used herein, term " aluminium alloy " refers to the aluminum metal in aluminium lattice or in aluminium phase with solvable element.Element
It can include aluminium, copper, iron, magnesium, nickel, silicon, zinc, chromium, manganese, titanium, vanadium, zirconium, tin, scandium, lithium.Addition can influence aluminium alloy physical characteristic
With the element of performance characteristic.
As used herein, phrase " 7xxx aluminium alloys " phrase similar with its refers to be selected from Aluminum Association (Aluminum
Association) the 7xxx aluminium alloys of registration and the aluminium alloy of its unregistered modification.
As used herein, term " cast article " refers to utilize casting method (such as continuously casting, such as U.S. Patent No.
It is described in detail in No. 6,672,368 and No. 7,125,612) product produced.In one or more embodiments detailed in this article
In, term " cast article " includes the product produced by " cast article ".In one or more embodiments, term " casting production
Product " include the rolled products produced by " cast article ".
As used herein, term alloy element has " % " in " variation " of the weight percent of specified thickness depth
It unit and is calculated according to following equation：
(alloy element is deep in specified thickness in maximum percentage by weight-alloy element of specified thickness depth
The minimum weight percentage of degree)/(alloy element is in the average weight percent of specified thickness depth) * 100.
As used herein, term " center-line segregation " refers to enrichment of the alloy element in the central part of aluminum alloy bar
Or it exhausts.In embodiment, center-line segregation is the weight in the specified thickness depth of aluminum alloy bar based on alloy element
The variation of percentage measures.In one or more embodiments detailed in this article, center-line segregation is based on alloy element
Variation more than 15% of the weight percent between surface and 3,000 micron thickness depth measure.Detailed in this article
In one or more embodiments, center-line segregation is on the surface of aluminum alloy bar and thickness based on the weight percent of alloy element
The variation more than 15% between degree center measures.
As used herein, " weight percent of alloy element " at specified thickness depth is using detailed in this article
" gross segregation program " measures.
As used herein, term " item " can have any suitable thickness, and typically (0.006 inch of chip-size
To 0.249 inch) or thin plate specification (0.250 inch to 0.400 inch), that is, there is 0.006 inch to 0.400 inch range
Interior thickness.In one embodiment, the item has at least 0.040 inch of thickness.In one embodiment, the item tool
There is the thickness less than 0.320 inch.In one or more embodiments detailed in this article, the item has 0.0070 to 0.18 English
Very little thickness.In one or more embodiments detailed in this article, the item has 0.08 to 0.2 inch of thickness.
As used herein, " surface " refers to the top surface or bottom surface of cast article.
As used herein, " mid-depth " refers to cast article overall thickness half or the depth of half thickness (t/2).
In one or more embodiments detailed in this article, aluminum alloy bar can include any aluminium alloy, the aluminium alloy
With 4wt.% to 28wt.% zinc.In one or more embodiments detailed in this article, aluminum alloy bar can be arrived including 1wt.%
At least one of 3wt.% copper and 1wt.% to 3wt.% magnesium.In one or more embodiments detailed in this article, aluminium alloy
It can include 7xxx (zinc-base) aluminium alloy.
In one or more embodiments detailed in this article, the aluminum alloy bar has 4wt.% to 28wt.% zinc.At this
In one or more embodiments that text is described in detail, the aluminum alloy bar has 4wt.% to 27wt.% zinc.At one detailed in this article
Or in multiple embodiments, the aluminum alloy bar has 4wt.% to 25wt.% zinc.In one or more embodiments detailed in this article
In, the aluminum alloy bar has 4wt.% to 22wt.% zinc.In one or more embodiments detailed in this article, the aluminium closes
Gold bar has 4wt.% to 20wt.% zinc.In one or more embodiments detailed in this article, the aluminum alloy bar has
4wt.% to 18wt.% zinc.In one or more embodiments detailed in this article, the aluminum alloy bar is arrived with 4wt.%
15wt.% zinc.In one or more embodiments detailed in this article, the aluminum alloy bar has 4wt.% to 13wt.% zinc.
In one or more embodiment detailed in this article, the aluminum alloy bar has 4wt.% to 11wt.% zinc.Detailed in this article one
In a or multiple embodiments, the aluminum alloy bar has 4wt.% to 10wt.% zinc.In one or more implementations detailed in this article
In example, the aluminum alloy bar has 4wt.% to 9wt.% zinc.In one or more embodiments detailed in this article, the aluminium closes
Gold bar has 4wt.% to 8wt.% zinc.In one or more embodiments detailed in this article, the aluminum alloy bar has
4wt.% to 7wt.% zinc.In one or more embodiments detailed in this article, the aluminum alloy bar is arrived with 4wt.%
6wt.% zinc.In one or more embodiments detailed in this article, the aluminum alloy bar has 4wt.% to 5wt.% zinc.
In one or more embodiments detailed in this article, the aluminum alloy bar includes 5wt.% to 28wt.% zinc.At this
In one or more embodiments that text is described in detail, the aluminum alloy bar has 6wt.% to 28wt.% zinc.At one detailed in this article
Or in multiple embodiments, the aluminum alloy bar has 7wt.% to 28wt.% zinc.In one or more embodiments detailed in this article
In, the aluminum alloy bar has 8wt.% to 28wt.% zinc.In one or more embodiments detailed in this article, the aluminium closes
Gold bar has 9wt.% to 28wt.% zinc.In one or more embodiments detailed in this article, the aluminum alloy bar has
10wt.% to 28wt.% zinc.In one or more embodiments detailed in this article, the aluminum alloy bar is arrived with 11wt.%
28wt.% zinc.In one or more embodiments detailed in this article, the aluminum alloy bar has 13wt.% to 28wt.% zinc.
In one or more embodiments detailed in this article, the aluminum alloy bar has 15wt.% to 28wt.% zinc.It is described in detail herein
One or more embodiments in, the aluminum alloy bar have 18wt.% to 28wt.% zinc.At one detailed in this article or more
In a embodiment, the aluminum alloy bar has 20wt.% to 28wt.% zinc.In one or more embodiments detailed in this article,
The aluminum alloy bar has 22wt.% to 28wt.% zinc.
In one or more embodiments detailed in this article, the aluminum alloy bar includes 5wt.% to 27wt.% zinc.At this
In one or more embodiments that text is described in detail, the aluminum alloy bar has 7wt.% to 25wt.% zinc.At one detailed in this article
Or in multiple embodiments, the aluminum alloy bar has 8wt.% to 23wt.% zinc.In one or more embodiments detailed in this article
In, the aluminum alloy bar has 9wt.% to 20wt.% zinc.In one or more embodiments detailed in this article, the aluminium closes
Gold bar has 10wt.% to 18wt.% zinc.In one or more embodiments detailed in this article, the aluminum alloy bar has
12wt.% to 15wt.% zinc.
In one or more embodiments detailed in this article, the aluminum alloy bar has 1wt.% to 2.8wt.% copper.
In one or more embodiment detailed in this article, the aluminum alloy bar has 1wt.% to 2.6wt.% copper.Detailed in this article
In one or more embodiments, the aluminum alloy bar has 1wt.% to 2.4wt.% copper.In one or more detailed in this article
In embodiment, the aluminum alloy bar has 1wt.% to 2.2wt.% copper.In one or more embodiments detailed in this article, institute
Aluminum alloy bar is stated with 1wt.% to 2.0wt..% copper.In one or more embodiments detailed in this article, the aluminum alloy bar
With 1wt.% to 1.8wt.% copper.In one or more embodiments detailed in this article, the aluminum alloy bar has 1wt.%
To 1.6wt.% copper.In one or more embodiments detailed in this article, the aluminum alloy bar has 1wt.% to 1.4wt.%
Copper.In one or more embodiments detailed in this article, the aluminum alloy bar has 1wt.% to 1.2wt.% copper.
In one or more embodiments detailed in this article, the aluminum alloy bar has 1.2wt.% to 3wt.% copper.
In one or more embodiment detailed in this article, the aluminum alloy bar has 1.4wt.% to 3wt.% copper.Detailed in this article
In one or more embodiments, the aluminum alloy bar has 1.6wt.% to 3wt.% copper.In one or more detailed in this article
In embodiment, the aluminum alloy bar has 1.8wt.% to 3wt.% copper.In one or more embodiments detailed in this article, institute
Aluminum alloy bar is stated with 2.0wt.% to 3wt.% copper.In one or more embodiments detailed in this article, the aluminum alloy bar
With 2.2wt.% to 3wt.% copper.In one or more embodiments detailed in this article, the aluminum alloy bar has
2.4wt.% to 3wt.% copper.In one or more embodiments detailed in this article, the aluminum alloy bar is arrived with 2.6wt.%
3wt.% copper.In one or more embodiments detailed in this article, the aluminum alloy bar has 2.8wt.% to 3wt.% copper.
In one or more embodiments detailed in this article, the aluminum alloy bar has 1.2wt.% to 2.8wt.% copper.
In one or more embodiments detailed in this article, the aluminum alloy bar has 1.4wt.% to 2.6wt.% copper.It is detailed herein
In the one or more embodiments stated, the aluminum alloy bar has 1.6wt.% to 2.4wt.% copper.At one detailed in this article
Or in multiple embodiments, the aluminum alloy bar has 1.8wt.% to 2.2wt.% copper.
In one or more embodiments detailed in this article, the aluminum alloy bar has 1wt.% to 2.8wt.% magnesium.
In one or more embodiment detailed in this article, the aluminum alloy bar has 1wt.% to 2.6wt.% magnesium.Detailed in this article
In one or more embodiments, the aluminum alloy bar has 1wt.% to 2.4wt.% magnesium.In one or more detailed in this article
In embodiment, the aluminum alloy bar has 1wt.% to 2.2wt.% magnesium.In one or more embodiments detailed in this article, institute
Aluminum alloy bar is stated with 1wt.% to 2.0wt..% magnesium.In one or more embodiments detailed in this article, the aluminum alloy bar
With 1wt.% to 1.8wt.% magnesium.In one or more embodiments detailed in this article, the aluminum alloy bar has 1wt.%
To 1.6wt.% magnesium.In one or more embodiments detailed in this article, the aluminum alloy bar has 1wt.% to 1.4wt.%
Magnesium.In one or more embodiments detailed in this article, the aluminum alloy bar has 1wt.% to 1.2wt.% magnesium.
In one or more embodiments detailed in this article, the aluminum alloy bar has 1.2wt.% to 3wt.% magnesium.
In one or more embodiment detailed in this article, the aluminum alloy bar has 1.4wt.% to 3wt.% magnesium.Detailed in this article
In one or more embodiments, the aluminum alloy bar has 1.6wt.% to 3wt.% magnesium.In one or more detailed in this article
In embodiment, the aluminum alloy bar has 1.8wt.% to 3wt.% magnesium.In one or more embodiments detailed in this article, institute
Aluminum alloy bar is stated with 2.0wt.% to 3wt.% magnesium.In one or more embodiments detailed in this article, the aluminum alloy bar
With 2.2wt.% to 3wt.% magnesium.In one or more embodiments detailed in this article, the aluminum alloy bar has
2.4wt.% to 3wt.% magnesium.In one or more embodiments detailed in this article, the aluminum alloy bar is arrived with 2.6wt.%
3wt.% magnesium.In one or more embodiments detailed in this article, the aluminum alloy bar has 2.8wt.% to 3wt.% magnesium.
In one or more embodiments detailed in this article, the aluminum alloy bar has 1.2wt.% to 2.8wt.% magnesium.
In one or more embodiments detailed in this article, the aluminum alloy bar has 1.4wt.% to 2.6wt.% magnesium.It is detailed herein
In the one or more embodiments stated, the aluminum alloy bar has 1.6wt.% to 2.4wt.% magnesium.At one detailed in this article
Or in multiple embodiments, the aluminum alloy bar has 1.8wt.% to 2.2wt.% magnesium.
In one or more embodiments detailed in this article, the aluminum alloy bar has 0.1wt.% to 1.0wt.% magnesium.
In one or more embodiments detailed in this article, the aluminum alloy bar has 0.2wt.% to 1.0wt.% magnesium.It is detailed herein
In the one or more embodiments stated, the aluminum alloy bar has 0.4wt.% to 1.0wt.% magnesium.At one detailed in this article
Or in multiple embodiments, the aluminum alloy bar has 0.6wt.% to 1.0wt.% magnesium.Detailed in this article one or more real
It applies in example, the aluminum alloy bar has 0.8wt.% to 1.0wt.% magnesium.
In one or more embodiments detailed in this article, the aluminum alloy bar has 0.1wt.% to 0.8wt.% magnesium.
In one or more embodiments detailed in this article, the aluminum alloy bar has 0.1wt.% to 0.9wt.% magnesium.It is detailed herein
In the one or more embodiments stated, the aluminum alloy bar has 0.1wt.% to 0.7wt.% magnesium.At one detailed in this article
Or in multiple embodiments, the aluminum alloy bar has 0.1wt.% to 0.5wt.% magnesium.Detailed in this article one or more real
It applies in example, the aluminum alloy bar has 0.1wt.% to 0.3wt.% magnesium.
In one or more embodiments detailed in this article, the aluminum alloy bar has 0.05wt.% to 0.3wt.% chromium.
In one or more embodiments detailed in this article, the aluminum alloy bar has 0.1wt.% to 0.3wt.% chromium.It is detailed herein
In the one or more embodiments stated, the aluminum alloy bar has 0.15wt.% to 0.3wt.% chromium.At one detailed in this article
Or in multiple embodiments, the aluminum alloy bar has 0.2wt.% to 0.3wt.% chromium.Detailed in this article one or more real
It applies in example, the aluminum alloy bar has 0.25wt.% to 0.3wt.% chromium.
In one or more embodiments detailed in this article, the aluminum alloy bar has 0.05wt.% to 0.25wt.%
Chromium.In one or more embodiments detailed in this article, the aluminum alloy bar has 0.05wt.% to 0.2wt.% chromium.At this
In one or more embodiments that text is described in detail, the aluminum alloy bar has 0.05wt.% to 0.15wt.% chromium.It is described in detail herein
One or more embodiments in, the aluminum alloy bar have 0.05wt.% to 0.1wt.% chromium.At one detailed in this article or
In multiple embodiments, the aluminum alloy bar has 0.15wt.% to 0.25wt.% chromium.
In one or more embodiments detailed in this article, the aluminum alloy bar has 0.04wt.% to 0.25wt.%
Zirconium.In one or more embodiments detailed in this article, the aluminum alloy bar has 0.04wt.% to 0.2wt.% zirconiums.At this
In one or more embodiments that text is described in detail, the aluminum alloy bar has 0.04wt.% to 0.18wt.% zirconiums.It is described in detail herein
One or more embodiments in, the aluminum alloy bar have 0.04wt.% to 0.15wt.% zirconiums.At one detailed in this article
Or in multiple embodiments, the aluminum alloy bar has 0.04wt.% to 0.1wt.% zirconiums.
In one or more embodiments detailed in this article, the aluminum alloy bar has 0.1wt.% to 0.25wt.% zirconiums.
In one or more embodiments detailed in this article, the aluminum alloy bar has 0.15wt.% to 0.25wt.% zirconiums.Herein
In one or more embodiments of detailed description, the aluminum alloy bar has 0.2wt.% to 0.25wt.% zirconiums.
In one or more embodiments detailed in this article, the aluminum alloy bar has 0.07wt.% to 0.14wt.%
Zirconium.
In one or more embodiments detailed in this article, the aluminum alloy bar is included in zinc, copper, magnesium, manganese, chromium or zirconium
It is at least one.In one or more embodiments detailed in this article, the aluminum alloy bar not in cupric, magnesium, manganese, chromium or zirconium extremely
Few one kind.
In one or more embodiments detailed in this article, the aluminum alloy bar can contain second element and/or other
Element.As used herein, " second element " is Fe, Si and/or Ti.As used herein, " other elements " in periodic table including removing
Any element except aluminium (Al), Zn, Cu, Mn, Cr, Zr, Mg, Fe, Si and/or Ti.
In one or more embodiments detailed in this article, zinc weight percent is in the surface of the aluminum alloy bar and thickness
Variation between center is 15% or smaller.In one or more embodiments detailed in this article, zinc weight percent is described
Variation between the surface of aluminum alloy bar and mid-depth is 14% or smaller.In one or more embodiments detailed in this article
In, variation of the zinc weight percent between the surface of the aluminum alloy bar and mid-depth is 13% or smaller.It is detailed herein
In the one or more embodiments stated, variation of the zinc weight percent between the surface of the aluminum alloy bar and mid-depth is
12% or smaller.In one or more embodiments detailed in this article, zinc weight percent the surface of the aluminum alloy bar with
Variation between mid-depth is 11% or smaller.In one or more embodiments detailed in this article, zinc weight percent exists
Variation between the surface of the aluminum alloy bar and mid-depth is 10% or smaller.In one or more implementations detailed in this article
In example, variation of the zinc weight percent between the surface of the aluminum alloy bar and mid-depth is 9% or smaller.It is detailed herein
In the one or more embodiments stated, variation of the zinc weight percent between the surface of the aluminum alloy bar and mid-depth is
8% or smaller.In one or more embodiments detailed in this article, zinc weight percent is on the surface of the aluminum alloy bar and thickness
Variation between degree center is 7% or smaller.In one or more embodiments detailed in this article, zinc weight percent is described
Variation between the surface of aluminum alloy bar and mid-depth is 6% or smaller.In one or more embodiments detailed in this article,
Variation of the zinc weight percent between the surface of the aluminum alloy bar and mid-depth is 5% or smaller.Detailed in this article
In one or more embodiments, variation of the zinc weight percent between the surface of the aluminum alloy bar and mid-depth is 4%
Or smaller.In one or more embodiments detailed in this article, zinc weight percent is in the surface of the aluminum alloy bar and thickness
Variation between center is 3% or smaller.In one or more embodiments detailed in this article, zinc weight percent is in the aluminium
Variation between the surface of alloy bar and mid-depth is 2% or smaller.
In one or more embodiments detailed in this article, zinc weight percent is in the surface of the aluminum alloy bar and thickness
Variation between center is 0.1% to 15%.In one or more embodiments detailed in this article, zinc weight percent is described
Variation between the surface of aluminum alloy bar and mid-depth is 0.1% to 14%.In one or more embodiments detailed in this article
In, variation of the zinc weight percent between the surface of the aluminum alloy bar and mid-depth is 0.1% to 13%.It is detailed herein
In the one or more embodiments stated, variation of the zinc weight percent between the surface of the aluminum alloy bar and mid-depth is
0.1% to 12%.In one or more embodiments detailed in this article, zinc weight percent the surface of the aluminum alloy bar with
Variation between mid-depth is 0.1% to 11%.In one or more embodiments detailed in this article, zinc weight percent exists
Variation between the surface of the aluminum alloy bar and mid-depth is 0.1% to 10%.Detailed in this article one or more real
It applies in example, variation of the zinc weight percent between the surface of the aluminum alloy bar and mid-depth is 0.1% to 9%.At this
In one or more embodiments that text is described in detail, change of the zinc weight percent between the surface of the aluminum alloy bar and mid-depth
Change is 0.1% to 8%.In one or more embodiments detailed in this article, zinc weight percent is in the table of the aluminum alloy bar
Variation between face and mid-depth is 0.1% to 7%.In one or more embodiments detailed in this article, zinc weight percent
It is 0.1% to 6% than the variation between the surface of the aluminum alloy bar and mid-depth.In one or more detailed in this article
In embodiment, variation of the zinc weight percent between the surface of the aluminum alloy bar and mid-depth is 0.1% to 5%.
In one or more embodiment detailed in this article, zinc weight percent is between the surface of the aluminum alloy bar and mid-depth
Variation is 0.1% to 4%.
In one or more embodiments detailed in this article, zinc weight percent is in the surface of the aluminum alloy bar and thickness
Variation between center is 1% to 15%.In one or more embodiments detailed in this article, zinc weight percent is in the aluminium
Variation between the surface of alloy bar and mid-depth is 2% to 15%.In one or more embodiments detailed in this article, zinc
Variation of the weight percent between the surface of the aluminum alloy bar and mid-depth is 3% to 15%.Detailed in this article one
In a or multiple embodiments, variation of the zinc weight percent between the surface of the aluminum alloy bar and mid-depth is 4% to arrive
15%.In one or more embodiments detailed in this article, zinc weight percent is in the surface and thickness of the aluminum alloy bar
Variation between the heart is 5% to 15%.In one or more embodiments detailed in this article, zinc weight percent is closed in the aluminium
Variation between the surface of gold bar and mid-depth is 6% to 15%.In one or more embodiments detailed in this article, zinc weight
It is 7% to 15% to measure variation of the percentage between the surface of the aluminum alloy bar and mid-depth.At one detailed in this article
Or in multiple embodiments, variation of the zinc weight percent between the surface of the aluminum alloy bar and mid-depth is 8% to arrive
15%.In one or more embodiments detailed in this article, zinc weight percent is in the surface and thickness of the aluminum alloy bar
Variation between the heart is 9% to 15%.In one or more embodiments detailed in this article, zinc weight percent is closed in the aluminium
Variation between the surface of gold bar and mid-depth is 10% to 15%.In one or more embodiments detailed in this article, zinc
Variation of the weight percent between the surface of the aluminum alloy bar and mid-depth is 11% to 15%.Detailed in this article one
In a or multiple embodiments, variation of the zinc weight percent between the surface of the aluminum alloy bar and mid-depth is 12% to arrive
15%.
In one or more embodiments detailed in this article, zinc weight percent on the surface of the aluminum alloy bar and 3,
Variation between 000 micron thickness depth is 15% or smaller.In one or more embodiments detailed in this article, zinc weight hundred
It is 14% or smaller to divide than the variation between the surface of the aluminum alloy bar and 3,000 micron thickness depth.It is described in detail herein
One or more embodiments in, zinc weight percent is between the surface of the aluminum alloy bar and 3,000 micron thickness depth
Variation be 13% or smaller.In one or more embodiments detailed in this article, zinc weight percent is in the aluminum alloy bar
Surface and 3,000 micron thickness depth between variation be 12% or smaller.In one or more embodiments detailed in this article
In, variation of the zinc weight percent between the surface of the aluminum alloy bar and 3,000 micron thickness depth is 11% or smaller.
In one or more embodiments detailed in this article, zinc weight percent is on the surface of the aluminum alloy bar and 3,000 micron of thickness
The variation spent between depth is 10% or smaller.In one or more embodiments detailed in this article, zinc weight percent is in institute
It is 9% or smaller to state the variation between the surface of aluminum alloy bar and 3,000 micron thickness depth.At one detailed in this article or more
In a embodiment, variation of the zinc weight percent between the surface of the aluminum alloy bar and 3,000 micron thickness depth is 8%
Or smaller.In one or more embodiments detailed in this article, zinc weight percent is on the surface of the aluminum alloy bar and 3,000
Variation between micron thickness depth is 7% or smaller.In one or more embodiments detailed in this article, zinc weight percent
Variation between the surface of the aluminum alloy bar and 3,000 micron thickness depth is 6% or smaller.At one detailed in this article
Or in multiple embodiments, variation of the zinc weight percent between the surface of the aluminum alloy bar and 3,000 micron thickness depth
It is 5% or smaller.In one or more embodiments detailed in this article, zinc weight percent the surface of the aluminum alloy bar with
Variation between 3,000 micron thickness depth is 4% or smaller.In one or more embodiments detailed in this article, zinc weight
Variation of the percentage between the surface of the aluminum alloy bar and 3,000 micron thickness depth is 3% or smaller.It is described in detail herein
One or more embodiments in, zinc weight percent is between the surface of the aluminum alloy bar and 3,000 micron thickness depth
Variation be 2% or smaller.
In one or more embodiments detailed in this article, zinc weight percent on the surface of the aluminum alloy bar and 3,
Variation between 000 micron thickness depth is 0.1% to 15%.In one or more embodiments detailed in this article, zinc weight
Variation of the percentage between the surface of the aluminum alloy bar and 3,000 micron thickness depth is 0.1% to 14%.It is detailed herein
In the one or more embodiments stated, zinc weight percent the surface of the aluminum alloy bar and 3,000 micron thickness depth it
Between variation be 0.1% to 13%.In one or more embodiments detailed in this article, zinc weight percent is in the aluminium alloy
Variation between the surface of item and 3,000 micron thickness depth is 0.1% to 12%.In one or more implementations detailed in this article
In example, variation of the zinc weight percent between the surface of the aluminum alloy bar and 3,000 micron thickness depth is 0.1% to arrive
11%.In one or more embodiments detailed in this article, zinc weight percent is micro- on the surface of the aluminum alloy bar and 3,000
Variation between rice thickness depth is 0.1% to 10%.In one or more embodiments detailed in this article, zinc weight percent
Variation between the surface of the aluminum alloy bar and 3,000 micron thickness depth is 0.1% to 9%.Detailed in this article one
In a or multiple embodiments, change of the zinc weight percent between the surface of the aluminum alloy bar and 3,000 micron thickness depth
Change is 0.1% to 8%.In one or more embodiments detailed in this article, zinc weight percent is in the table of the aluminum alloy bar
Variation between face and 3,000 micron thickness depth is 0.1% to 7%.In one or more embodiments detailed in this article, zinc
Variation of the weight percent between the surface of the aluminum alloy bar and 3,000 micron thickness depth is 0.1% to 6%.At this
In one or more embodiments that text is described in detail, zinc weight percent is deep on the surface of the aluminum alloy bar and 3,000 micron thickness
Variation between degree is 0.1% to 5%.In one or more embodiments detailed in this article, zinc weight percent is in the aluminium
Variation between the surface of alloy bar and 3,000 micron thickness depth is 0.1% to 4%.
In one or more embodiments detailed in this article, zinc weight percent on the surface of the aluminum alloy bar and 3,
Variation between 000 micron thickness depth is 1% to 15%.In one or more embodiments detailed in this article, zinc weight hundred
It is 2% to 15% to divide than the variation between the surface of the aluminum alloy bar and 3,000 micron thickness depth.Detailed in this article
In one or more embodiments, zinc weight percent is between the surface of the aluminum alloy bar and 3,000 micron thickness depth
Variation is 3% to 15%.In one or more embodiments detailed in this article, zinc weight percent is in the table of the aluminum alloy bar
Variation between face and 3,000 micron thickness depth is 4% to 15%.In one or more embodiments detailed in this article, zinc
Variation of the weight percent between the surface of the aluminum alloy bar and 3,000 micron thickness depth is 5% to 15%.Herein
In one or more embodiments of detailed description, zinc weight percent is on the surface of the aluminum alloy bar and 3,000 micron thickness depth
Between variation be 6% to 15%.In one or more embodiments detailed in this article, zinc weight percent is in the aluminium alloy
Variation between the surface of item and 3,000 micron thickness depth is 7% to 15%.In one or more embodiments detailed in this article
In, variation of the zinc weight percent between the surface of the aluminum alloy bar and 3,000 micron thickness depth is 8% to 15%.
In one or more embodiments detailed in this article, zinc weight percent is on the surface of the aluminum alloy bar and 3,000 micron of thickness
The variation spent between depth is 9% to 15%.In one or more embodiments detailed in this article, zinc weight percent is described
Variation between the surface of aluminum alloy bar and 3,000 micron thickness depth is 10% to 15%.At one detailed in this article or more
In a embodiment, variation of the zinc weight percent between the surface of the aluminum alloy bar and 3,000 micron thickness depth is
11% to 15%.In one or more embodiments detailed in this article, zinc weight percent the surface of the aluminum alloy bar with
Variation between 3,000 micron thickness depth is 12% to 15%.
In one or more embodiments detailed in this article, the aluminium alloy has 4% to 28% zinc weight percent
Or zinc weight percent in any other weight percentage ranges in greater detail herein and do not show center-line segregation.
For producing the non-limiting method of aluminum alloy bar
In embodiment, the casting of aluminum alloy bar detailed in this article can be completed by continuous casting equipment, described continuous
Casting Equipment can continuous production press high solidification rate solidification cast article.It can realize the continuously casting of above-mentioned solidification rate
One example of equipment is the equipment described in U.S. Patent No. 6,672, No. 368 and the 7th, 125, No. 612, and the document is with complete
The mode of text reference combines herein.In one or more embodiments detailed in this article, U.S. Patent No. 6,672,368 is used
With the Micromill described in No. 7,125,612TMMethod continuously casts the aluminum alloy bar.
In such as the embodiment illustrated in Fig. 1-2, molten aluminium alloy metal M can be stored in hopper H (or funnel)
In and by feedback expect that mouth T is transported to towards direction B and a pair of has corresponding roller surface D1And D2Roller R1And R2, the roller is respectively towards phase
The direction A answered1And A2Rotation, so as to produce solid cast article S.In one or more embodiments detailed in this article, feedback material
Mouth T and respective rollers R1And R2Between can maintain clearance G as small as possible1And G2, it is sudden and violent to prevent molten metal from leaking out and make
The molten metal for being exposed to ambient enviroment is minimum, while maintains feedback material mouth T and roller R1And R2Between interval.Pass through roller R1With R2's
The plane L of center line passes through roller R1With R2Between areas of minimal clearance, referred to as nip N.
In one or more embodiments detailed in this article, during casting, molten metal M is direct in region 2 and 4 respectively
Contact chill roll R1And R2.With roller R1And R2After contact, metal M begins to cool down and solidifies.Metal in cooling produces and roller R1
Adjacent upper strata frozen metal shell 6 and with roller R2Adjacent lower floor's frozen metal shell 8.The thickness of housing 6 and 8 is with metal M
It advances and increases to nip N.Each in layer shell 6 and lower floor's housing 8 can with interfaces of the molten metal M between
It can generate the big dendrite 10 (illustrating not in scale) of frozen metal.Big dendrite 10 may be broken and be drawn to molten metal
It and can be along arrow C in the central part 12 of the relatively slow mobile stream of M1And C2Direction by carrying.The towing of the mobile stream is made
It is further broken up into (illustrating not in scale) compared with little dendrite 14 with big dendrite 10 can be promoted.In the referred to as nip N in region 16
In the central part 12 of trip, metal M is semisolid and can include solid component (little dendrite 14 of solidification) and molten metal group
Point.Metal M in region 16 can have the mushy consistency for being partly due to wherein be dispersed with little dendrite 14.In nip N
Position, some molten metals can towards with arrow C1And C2Opposite direction squeezes backward.Roller R1And R2At nip N just
Substantially only make the solid portion (little dendrite in layer shell 6 and lower floor's housing 8 and central part 12 of metal to rotation
14) it moves ahead, while molten metal is forced to be in the central part 12 of nip N upstream, so that metal is in the point for leaving nip N
Can be in fully solid.In this fashion and in one or more embodiments detailed in this article, it can be formed in nip N
The metal front of solidification.In the downstream of nip N, central part 12 can be the solid core 18 containing little dendrite 14, institute
Solid core is stated to be clipped between layer shell 6 and lower floor's housing 8.In central part 18, little dendrite 14 can have 20
Micron to 50 microns size and with shape generally spherical in shape.Layer shell 6 and lower floor's housing 8 and the central part 18 3 of solidification
Part constitutes single solid cast article (element 20 in S and Fig. 2 in Fig. 1).Therefore, aluminium alloy cast article 20 can be with
The second part (correspond to housing 6 and 8) of first part and aluminium alloy including aluminium alloy and middle section (solidification therebetween
Central part 18).Solid core 18 can account for 20% to the 30% of 20 overall thickness of cast article.
Roller R1And R2The radiator of molten metal M can be served as.It in one embodiment, can be by the heat of molten metal M
It is transferred to roller R in a uniform fashion1And R2, to ensure the uniform of 20 surface of cast article.Respective rollers R1And R2Surface D1And D2
Can be made of steel, copper, nickel or other suitable materials and can texture and can include can be with the surface of contacting molten metal M
Irregular body (not shown).
Control maintains and selects roller R1And R2Appropriate speed can influence the ability of continuous casting product.Roller speed determines
The speed that molten metal M moves ahead to nip N.If the speed is too slow, then the power that big dendrite 10 is subject to is insufficient to allow it
It is entrained in central part 12 and is fragmented into little dendrite 14.In one or more embodiments detailed in this article, it can select
Roller speed, so as to form the solidification front or complete freezing point of molten metal M at nip N.Therefore, present invention casting is set
Standby and method may adapt under high speed operate, such as 25 to 500 feet/min；Or 40 to 500 feet/min；Or
40 to 400 feet/min；Or 100 to 400 feet/min；And/or the speed in the range of 150 to 300 feet/min.
Molten aluminum is transported to roller R1And R2The linear velocity of per unit area can be less than roller R1And R2Speed or roller speed about four
/ mono-.
The continuously casting of aluminium alloy according to the present invention can be corresponding with the expectation specification of cast article S by selecting first
The desired size of nip N realize.Roller R1And R2Speed can be increased to desired throughput rate or be increased to a kind of speed
Degree, the speed are less than and roller separation force are caused to increase to show roller R1With R2Between the horizontal speed of rolling occurs.According to this hair
Rate (that is, 25 to 400 feet/min) that bright embodiment is covered cast so that the setting rate of aluminium alloy cast article be by
About 1000 times of aluminium alloy of the casting of ingot casting form and make the characteristic of cast article relative to the aluminium alloy cast by ingot casting form
It improves.The rate for cooling down molten metal can be selected, to realize the quick solidification in metal outer region.Really, metal outer
The cooling in region can occur according to the rate of at least 1000 degrees seconds Celsius.
Continuously casting item can have any suitable thickness, and typically (0.006 inch to 0.249 English of chip-size
It is very little) or thin plate specification (0.250 inch to 0.400 inch), that is, there is 0.006 inch to the thickness in 0.400 inch range.
In one embodiment, the item has at least 0.040 inch of thickness.In one embodiment, the item has and is less than
0.320 inch of thickness.
Gross segregation program
Sample is fixed first and is polished in Lucite using the standard metallographic technology of preparing of aluminium.It is visited using electronics
Needle microscopic analyzer (" EPMA ") carries out signature analysis to distribution of the alloy element in whole thickness, to depict alloying
The gross segregation of element.
Set the scanning of EPMA rows, wherein a diameter of 100 microns of initial spot, in a thickness direction from apart from sample surfaces about
It is moved at 50 microns until reaching other surfaces.The defocus beam spots of 50 microns of spacing can be maintained by calculating, to provide between each point
50% overlapping.
Combine 4 color of wave dispersive spectrometers using JEOL JXA 8530F field emission electron probe-microanalysers Hyperprobe
With JEOL SDD-EDS gathered datas.Operating condition is：
Accelerating potential：15kV
Intensity of beam：100nA
Defocus electron beam：100μm
50 μm of row scanning feature step-length
The element analyzed can include：Ti, Zr, Mg, Si, Mn, Fe, Cu, Zn and Al
It is described in detail to use in color of wave dispersive spectrometer (WDS) crystal and spectrometer such as table 1.
Table 1
| Spectrometer | Diffraction crystal | Counter | Element |
| 1 | PETJ | Gas flows (P-10) | Ti、Zr |
| 2 | TAP | Gas flows (P-10) | Mg、Si |
| 3 | LIFH | The Xe gases of sealing | Mn、Fe |
| 4 | LIFL | The Xe gases of sealing | Cu、Zn |
| 5 | SDD-EDS | Al |
The gate time of all elements is 10 seconds
In positive and negative background position, every 50 spots collect sample-out count value and last 5 seconds.Determined using the JEOL for metal
It measures ZAF analysis programs packet and quantitative analysis is carried out to measured element, wherein atomicity utilizes Philibert-Tixier methods
It corrects and fluorescence excitation utilizes Reed methods to correct.
Alternatively, according to, for the method for analyzing sample, quantometer being used to measure alloy in U.S. Patent No. 6,672,368
Change concentration of the element in the entire depth of sample.
Microscopic segregation program
Sample is fixed first and is polished in Lucite using the standard metallographic technology of preparing of aluminium.Use EPMA pairs
Distribution of the alloy element in whole thickness carries out signature analysis, to depict the microscopic segregation of alloy element.
The scanning of EPMA rows is set, wherein focused spot is move across several crystal grain by 1 micron of step-length, to obtain by multiple
The overlapping point of crystal grain.
Combine 4 color of wave dispersive spectrometers using JEOL JXA8530F field emission electron probe-microanalysers Hyperprobe
With JEOL SDD-EDS gathered datas.Operating condition is：
Accelerating potential：15kV
Intensity of beam：100nA
Focus on electron beam
1 μm of row scanning feature step-length
The element analyzed can include：Ti, Zr, Mg, Si, Mn, Fe, Cu, Zn and Al
As being described in detail to use WDS crystal and spectrometer in table 1.
In positive and negative background position, every 50 spots collect sample-out count value and last 5 seconds.Determined using the JEOL for metal
It measures ZAF analysis programs packet and quantitative analysis is carried out to measured element, wherein atomicity utilizes Philibert-Tixier methods
It corrects and fluorescence excitation utilizes Reed methods to correct.
Non-limiting examples
Equipment using being described in detail in U.S. Patent No. 6,672,368, by 55 feet/min to 85 feet/min of speed
Cast aluminium alloy gold sample is spent, and the aluminum alloy sample has the final thickness being described in detail in following table.Using detailed in this article " macro
Sight segregation " program is measured from the surface of each sample by quantometer to the flat of the zinc of 3,000 micron thickness depth, magnesium and copper
Equal weight percent.The following table 2 presents zinc, copper and the magnesium from the surface of each cast samples to 3,000 micron thickness depth
Average weight percent and method for measuring the weight percent of each sample：
Table 2
The following table 3 shows from the surface of each sample to the variation of the zinc weight percent of 3,000 micron thickness depth：
Table 3
| Sample | Minimum value Zn wt.% | Maximum value Zn wt.% | Average value Zn wt.% | Change (%) |
| 1 | 3.91 | 4.52 | 4.26 | 14.40 |
| 2 | 5.40 | 5.75 | 5.60 | 6.25 |
| 3 | 6.17 | 6.66 | 6.38 | 7.68 |
| 4 | 7.11 | 7.54 | 7.34 | 5.86 |
| 5 | 6.95 | 7.71 | 7.56 | 10.05 |
| 6 | 8.34 | 8.96 | 8.71 | 7.12 |
| 7 | 15.10 | 17.09 | 15.98 | 12.45 |
| 8 | 25.53 | 29.70 | 27.46 | 15.19 |
It is measured from the surface to thickness of each sample using " gross segregation " program detailed in this article or by quantometer
The average weight percent of the zinc of the heart, magnesium and copper.The following table 4 show zinc from the surface of each cast samples to mid-depth,
The average weight percent of copper and magnesium and the method for measuring the weight percent of each sample：
Table 4
The following table 5 shows the change of the zinc weight percent from the surface of each sample to mid-depth in each sample
Change：
Table 5
| Sample | Minimum value Zn wt.% | Maximum value Zn wt.% | Average value Zn wt.% | Change (%) |
| 1 | 3.91 | 4.52 | 4.27 | 14.29 |
| 2 | 5.48 | 5.75 | 5.64 | 4.79 |
| 3 | 6.17 | 6.57 | 6.36 | 6.29 |
| 4 | 7.11 | 7.54 | 7.33 | 5.87 |
| 5 | 6.95 | 7.71 | 7.54 | 10.08 |
| 6 | 8.44 | 8.96 | 8.71 | 5.97 |
| 7 | 15.10 | 17.09 | 15.97 | 12.46 |
| 8 | 25.96 | 29.70 | 27.54 | 13.58 |
The data generated for each sample are drawn in Fig. 3-10.The prior art that U.S. Patent No. 6,672,368
The comparison feelings of the zinc of the whole thickness of direct-chill casting product and prior art continuous casting product, magnesium and weight of copper percentage
Condition also serves as Figure 11-12 and is included to compare.
As shown in Fig. 3-10 and upper table, the present inventor it has surprisingly been found that the surface of sample 1 to 7 according to the present invention with
Zinc weight percent variation between 3,000 micron thickness depth is less than 15%.In addition, the surface of sample 8 and 3,000 micron of thickness
The zinc weight percent variation spent between depth is more than 15%.Similarly, the visual inspection based on Figure 11-12, the prior art are straight
Connect the zinc weight percent between the surface of chill casting casing product and prior art continuous casting product and 3,000 micron thickness depth
It is more than 15% than variation.
As shown in Fig. 3-10 and upper table, the present inventor it has surprisingly been found that the surface of sample 1 to 8 according to the present invention with
Zinc weight percent variation between mid-depth is less than 15%.In addition, the visual inspection based on Figure 11-12, the prior art are straight
The zinc weight percent connect between the surface of chill casting casing product and prior art continuous casting product and mid-depth changes greatly
In 15%.
Using " microscopic segregation " program determination detailed in this article from the surface of sample 6 to 200 micron thickness depth across crystalline substance
Zinc, magnesium and the weight of copper percentage of grain.Data are presented in Figure 13.The prior art is depicted in order to compare, in Figure 14 directly to swash
Zinc, magnesium and the weight of copper percentage of the transcrystalling of the whole thickness of cold cast article.As shown in Figure 13, the present inventor is shockingly
It was found that the weight percent of main alloying elements Zn, Cu and Mg in the substrate substantially has the homogeneity of transcrystalling, wherein
The weight percent of Second Phase Particle position at grain boundary and the alloy element in crystal grain increases.
Figure 15 depicts the structure of sample 6.Equipment using being described in detail in U.S. Patent No. 6,672,368, by 55 feet/
The structure of the aluminum alloy sample with 16% and 25% average Zn content of minute speed casting is depicted in respectively in Figure 16 and 17.
Figure 15 to 17 depicts the product of the present invention with spheric grain structure and substantially free of microscopic segregation.In addition, such as Figure 15-17
Illustrated in, product of the present invention can be substantially free of dendrite and mainly by spherical non-dendritic particles (that is, spheric grain structure)
Composition.In addition, such as according in the crystal grain of Figure 15-17 there is no shade (when using polarised light observation sample), the production
Product are substantially free of microscopic segregation effect.
Although it have been described that the present invention multiple embodiments, it will be appreciated that these embodiments only have it is illustrative and unlimited
Property, and a variety of retouchings can be obvious for those skilled in the art.Again furthermore it is possible to according to any desired
Order perform multiple steps (and any desired step can be added and/or any desired step can be excluded).
Claims (20)
1. a kind of cast article, comprising：
Aluminum alloy bar；
Wherein described aluminum alloy bar includes：
4wt.% to 28wt.% zinc；And
Variation of the weight percent of wherein described zinc between the surface of the aluminum alloy bar and mid-depth is 15% or more
It is small.
2. cast article according to claim 1, wherein the aluminum alloy bar includes 6wt.% to 28wt.% zinc.
3. cast article according to claim 1, wherein the aluminum alloy bar includes 8wt.% to 28wt.% zinc.
4. cast article according to claim 1, wherein the aluminum alloy bar includes 10wt.% to 28wt.% zinc.
5. cast article according to claim 1, wherein the aluminum alloy bar includes 4wt.% to 15wt.% zinc.
6. cast article according to claim 1, wherein the aluminum alloy bar includes 6wt.% to 12wt.% zinc.
7. cast article according to claim 1, wherein the aluminum alloy bar includes 4wt.% to 10wt.% zinc.
8. cast article according to claim 1, wherein the aluminum alloy bar includes 4wt.% to 8wt.% zinc.
9. cast article according to claim 6, wherein the table of the zinc weight percent in the aluminum alloy bar
The variation between face and the mid-depth is 12% or smaller.
10. a kind of cast article, comprising：
Aluminum alloy bar；
Wherein described aluminum alloy bar includes：
(i) 4wt.% to 28wt.% zinc；
(ii) 1wt.% to 3wt.% copper；With
(iii) 1wt.% to 3wt.% magnesium；
Variation of the weight percent of wherein described zinc between the surface of the aluminum alloy bar and mid-depth is 15% or more
It is small.
11. cast article according to claim 10, wherein the aluminum alloy bar includes 4wt.% to 15wt.% zinc.
12. cast article according to claim 10, wherein the aluminum alloy bar includes 4wt.% to 12wt.% zinc.
13. cast article according to claim 10, wherein the aluminum alloy bar includes 4wt.% to 10wt.% zinc.
14. cast article according to claim 10, wherein the aluminum alloy bar includes 1wt.% to 2.5wt.% copper.
15. cast article according to claim 10, wherein the aluminum alloy bar includes 1wt.% to 2.0wt.% copper.
16. cast article according to claim 10, wherein the aluminum alloy bar includes 1wt.% to 1.5wt.% copper.
17. cast article according to claim 10, wherein the aluminum alloy bar includes 1wt.% to 2.5wt.% magnesium.
18. cast article according to claim 10, wherein the aluminum alloy bar includes 1wt.% to 2.0wt.% magnesium.
19. cast article according to claim 10, wherein the aluminum alloy bar includes 1wt.% to 1.5wt.% magnesium.
20. a kind of cast article, comprising：
Aluminum alloy bar；
Wherein described aluminum alloy bar includes：
(i) 4wt.% to 28wt.% zinc；With
(ii) 1wt.% to 3wt.% copper；
Variation of the weight percent of wherein described zinc between the surface of the aluminum alloy bar and mid-depth is 15% or more
It is small.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549266A (en) * | 2020-05-27 | 2020-08-18 | 北京科技大学 | Tissue regulation and control method for improving forming performance of aluminum alloy plate of vehicle body structure |
| CN113122759A (en) * | 2021-03-29 | 2021-07-16 | 烟台南山学院 | Creep-resistant high-temperature-resistant cast aluminum alloy and manufacturing method thereof |
| US11649529B2 (en) | 2017-12-21 | 2023-05-16 | Novelis Inc. | Aluminum alloy products exhibiting improved bond durability and methods of making the same |
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| CA3125999A1 (en) | 2019-02-13 | 2020-08-20 | Novelis Inc. | Cast metal products with high grain circularity |
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- 2017-11-28 EP EP17882929.7A patent/EP3559293A4/en active Pending
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| US11649529B2 (en) | 2017-12-21 | 2023-05-16 | Novelis Inc. | Aluminum alloy products exhibiting improved bond durability and methods of making the same |
| CN111549266A (en) * | 2020-05-27 | 2020-08-18 | 北京科技大学 | Tissue regulation and control method for improving forming performance of aluminum alloy plate of vehicle body structure |
| CN113122759A (en) * | 2021-03-29 | 2021-07-16 | 烟台南山学院 | Creep-resistant high-temperature-resistant cast aluminum alloy and manufacturing method thereof |
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| CN117568678A (en) | 2024-02-20 |
| WO2018118350A1 (en) | 2018-06-28 |
| KR20210042174A (en) | 2021-04-16 |
| US20180171440A1 (en) | 2018-06-21 |
| KR20190028561A (en) | 2019-03-18 |
| CA3036082C (en) | 2022-07-26 |
| JP7038706B2 (en) | 2022-03-18 |
| EP3559293A1 (en) | 2019-10-30 |
| KR20230037064A (en) | 2023-03-15 |
| EP3559293A4 (en) | 2020-05-13 |
| JP2019534944A (en) | 2019-12-05 |
| CA3036082A1 (en) | 2018-06-28 |
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